#define _CRT_SECURE_NO_WARNINGS 1
#include"string.h"

namespace xs {
	void test1() {
		string s = { "hello world" };
		cout << s.c_str() << endl;


		string::iterator it = s.begin();
		while (it != s.end()) {
			*it += 2;
			it++;
		}
		cout << s.c_str() << endl;
	}
	void test2() {
		string s = "hello world";
		string s1=s;
		
		cout << s1.c_str();
		
		
		
	}
}

int main() {
	xs::test2();
	
	return 0;

}